test correct instance_type creation

so ivar collection happens
and a type is created from the names

test/vool/compilers/test_all.rb

@@ -1,4 +1,5 @@
 require_relative "helper"
 require_relative "test_ivar_collect"
 require_relative "test_local_collect"
+require_relative "test_class_compiler"
 require_relative "test_method_compiler"

test/vool/compilers/test_class_compiler.rb

@@ -0,0 +1,29 @@
+require_relative "helper"
+
+module Vool
+  class TestClassCompiler < MiniTest::Test
+    include CompilerHelper
+
+    def setup
+      Risc.machine.boot
+    end
+
+    def compile_in_test input
+      VoolCompiler.compile in_Test(input)
+      itest = Parfait.object_space.get_class_by_name(:Test)
+      assert itest
+      itest
+    end
+
+    def test_compile_class_one
+      itest = compile_in_test "def meth; @ivar; end"
+      assert itest.instance_type.names.include?(:ivar) , itest.instance_type.names.inspect
+    end
+
+    def test_compile_class_two
+      itest = compile_in_test "def meth; @ivar; end;def meth2(arg); @trivar = 5; end"
+      assert itest.instance_type.names.include?(:trivar) , itest.instance_type.names.inspect
+    end
+
+  end
+end

test/vool/compilers/test_method_compiler.rb

@@ -1,7 +1,7 @@
 require_relative "helper"
 
 module Vool
-  class TestVoolCompiler < MiniTest::Test
+  class TestMethodCompiler < MiniTest::Test
     include CompilerHelper
 
     def setup